Avoid panicking in test with bad terminal

topecongiro · topecongiro · commit d1ab3beabbf3 · 2018-03-05T23:38:31.000+09:00
diff --git a/tests/lib.rs b/tests/lib.rs
@@ -330,14 +330,15 @@ fn check_files(files: Vec<PathBuf>) -> (Vec<FormatReport>, u32, u32) {
 }
 
 fn print_mismatches_default_message(result: HashMap<PathBuf, Vec<Mismatch>>) {
-    let mut t = term::stdout().unwrap();
     for (file_name, diff) in result {
         let mismatch_msg_formatter =
             |line_num| format!("\nMismatch at {}:{}:", file_name.display(), line_num);
         print_diff(diff, &mismatch_msg_formatter, Color::Auto);
     }
 
-    t.reset().unwrap();
+    if let Some(mut t) = term::stdout() {
+        t.reset().unwrap();
+    }
 }
 
 fn print_mismatches<T: Fn(u32) -> String>(

Original file line number	Diff line number	Diff line change
`@@ -330,14 +330,15 @@ fn check_files(files: Vec<PathBuf>) -> (Vec<FormatReport>, u32, u32) {`
`330`	`330`	`}`
`331`	`331`
`332`	`332`	`fn print_mismatches_default_message(result: HashMap<PathBuf, Vec<Mismatch>>) {`
`333`		`- let mut t = term::stdout().unwrap();`
`334`	`333`	`for (file_name, diff) in result {`
`335`	`334`	`let mismatch_msg_formatter =`
`336`	`335`	`\|line_num\| format!("\nMismatch at {}:{}:", file_name.display(), line_num);`
`337`	`336`	`print_diff(diff, &mismatch_msg_formatter, Color::Auto);`
`338`	`337`	`}`
`339`	`338`
`340`		`- t.reset().unwrap();`
	`339`	`+ if let Some(mut t) = term::stdout() {`
	`340`	`+ t.reset().unwrap();`
	`341`	`+ }`
`341`	`342`	`}`
`342`	`343`
`343`	`344`	`fn print_mismatches<T: Fn(u32) -> String>(`